Finding the Fourth Proportional to 10,629.33, 14,668.47 and 5,913.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,629.33 : 14,668.47 = 5,913.61 : x
2. Step 2: Convert to fraction form
   10,629.33/14,668.47 = 5,913.61/x
3. Step 3: Cross multiply
   10,629.33x = 14,668.47 × 5,913.61
4. Step 4: Simplify right side
   10,629.33x = 86,743,623.88
5. Step 5: Solve for x
   x = 86,743,623.88/10,629.33
6. Step 6: Final answer
   x = 8,160.78